- Polypipe Single Zone PB1ZM Master Control Unit
- When used in a 'single zone' application the master wiring centre (PB1ZM) provides the wiring connections for the under floor heating pump, two-port zone valve, boiler switched live connection (230V or volt free) and the programmable room thermostat.
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Feefo ReviewsConnection problem to Feefo server.
Single Zone Master Control Unit (PB1ZM)kimdw 3 months agoReplaced a unit that kept blowing the fuse